package org.liurq.springcloud.controller;
import lombok.extern.slf4j.Slf4j;
import org.liurq.springcloud.entites.CommonResult;
import org.liurq.springcloud.entites.Payment;
import org.liurq.springcloud.service.PaymentService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.nio.channels.SelectableChannel;
import java.util.List;
import java.util.concurrent.TimeUnit;

@RestController
@Slf4j
public class PaymentController {
    @Autowired
    PaymentService paymentService;

    @Value("${server.port}")
    private String serverPort;

    @Resource
    private DiscoveryClient discoveryClient;


    @PostMapping(value="/payment/create")
    public CommonResult create(@RequestBody Payment payment){

        int result = paymentService.create(payment);
        if(result > 0){
            return new CommonResult(200,"插入数据库成功," + serverPort,result);
        }else{
            return new CommonResult(500,"插入数据库失败," + serverPort,null);
        }
    }

    @GetMapping(value="/payment/get/{id}")
    public CommonResult get(@PathVariable("id")Long id){
        log.info("payment:" + serverPort);
        Payment payment = paymentService.getPaymentById(id);
        if(payment != null){
            return new CommonResult(200,"查询成功" + serverPort,payment);
        }else{
            return new CommonResult(500,"查询失败" + serverPort,null);
        }
    }

    @GetMapping(value="/payment/discovery")
    public Object discovery(){
        List<String> services = discoveryClient.getServices();
        for (String service : services) {
            log.info("***service:" + service);
            List<ServiceInstance> instances = discoveryClient.getInstances(service);
            for (ServiceInstance instance : instances) {
                log.info(instance.getServiceId() + "  " + instance.getHost() + "  " + instance.getPort() + "  " + instance.getUri());
            }
        }
        return this.discoveryClient;
    }

    @GetMapping(value="/payment/lb")
    public String getPaymentLB(){
        return serverPort;
    }

    @GetMapping(value = "/payment/feign/timeout")
    public String paymentFeignTimeout()
    {
        // 业务逻辑处理正确，但是需要耗费3秒钟
        try { TimeUnit.SECONDS.sleep(3); } catch (InterruptedException e) { e.printStackTrace(); }
        return serverPort;
    }

    @GetMapping(value = "/payment/zipkin")
    public String paymentZipkin()
    {
        return serverPort + "zipkin";
    }
}
